The book "Biochemical and Proteomic Profiling of Anabaena sp. PCC 7120" offers a comprehensive investigation of the responses of cyanobacteria to various abiotic stress factors. It highlights the significance of cyanobacteria for global photosynthetic productivity and examines how environmental stress affects the cellular activities of these organisms. The research focuses on the cellular and molecular aspects of microbial resistance to abiotic stress and analyzes the physiological functions as well as the proteomic changes and regulation of gene expression during short-term exposure of Anabaena sp. PCC 7120 to salinity, butachlor, cadmium, and UV-B. This specialized book is aimed at scientists and students in the fields of biochemistry, microbiology, and environmental sciences, providing valuable insights into the adaptation mechanisms of microorganisms.